21830654

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3271}}^1$

素因数の和:3391

約数の個数: 16

約数和(自身を含む): 33924096

約数和(自身を除く): 12093442

約数列:

[1, 2, 47, 71, 94, 142, 3271, 3337, 6542, 6674, 153737, 232241, 307474, 464482, 10915327, 21830654]

約数ペア:

[(1, 21830654), (2, 10915327), (47, 464482), (71, 307474), (94, 232241), (142, 153737), (3271, 6674), (3337, 6542)]